Masaaki (園田雅章) Sonoda
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Born : 1978
Cat. M45 Ultrarunner since 2010
10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
30
DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details
1
Countries visited ?Japan
Japan75,8%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 6 504; Σ finishers = 8 577. 6 504 / 8 577 × 100 = 75.83%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races1 000 km
> 100 km1
Longest race140,0 km
24. Yamaguchi 100 Hagi-O-Kan Maranic 140 km — 3/5/2012
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road80,0%
Trail20,0%
Records
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 20.04 | 100km | 35th Fuji 4 Lakes 100 km Challenge |
13:55:07 h | 1465 |
| 2024 | ||||
| 13.10 | 100km | 15th Echigo Kubikino 100km Ultramarathon |
13:58:16 h | 796 |
| 2023 | ||||
| 21.10 | 100km | 6th Iki 100 km Ultra Marathon |
13:49:26 h | 310 |
| 2022 | ||||
| 09.10 | 100km | 14th Echigo Kubikino 100km Ultramarathon |
13:40:32 h | 748 |
| 2014 | ||||
| 14.09 | 100km | 14th Tango 100 km Ultramarathon |
13:59:03 h | 1421 |
| 2012 | ||||
| 15.07 | 100km | 5th OSJ Ontake 100km Ultra Trail |
16:40:42 h | 580 |
| 20.05 | 100km | 18th Yatsugatake Nobeyama 100 km |
13:17:41 h | 602 |
| 03.05 | 140km | 24. Yamaguchi 100 Hagi-O-Kan Maranic 140 km |
22:06:57 h | 112 |
| 22.04 | 100km | 22nd Fuji 5 Lakes 100 km Challenge |
11:51:45 h | 364 |
| 2010 | ||||
| 17.10 | 60km | 16th River Shimanto 60km |
7:16:47 h | 116 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 3/5/2012 | 24. Yamaguchi 100 Hagi-O-Kan Maranic 140 km | 140,00 | ×4 |
| ✓ 2 | 20/4/2025 | 35th Fuji 4 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 3 | 13/10/2024 | 15th Echigo Kubikino 100km Ultramarathon | 100,00 | ×3 |
| ✓ 4 | 21/10/2023 | 6th Iki 100 km Ultra Marathon | 100,00 | ×3 |
| ✓ 5 | 9/10/2022 | 14th Echigo Kubikino 100km Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 14/9/2014 | 14th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 7 | 15/7/2012 | 5th OSJ Ontake 100km Ultra Trail | 100,00 | ×3 |
| ✓ 8 | 20/5/2012 | 18th Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 9 | 22/4/2012 | 22nd Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 10 | 17/10/2010 | 16th River Shimanto 60km | 60,00 | ×2 |